condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.029988733333333333 0.0 0.0899662 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.049087 0.0 0.147261 Root 2.2146380000000003 0.130937 5.68355